CSIS 330 – Lab 11: Troubleshooting–
OS Command Line Tools
Answer Template
Part I: Netstat Syntax
Command
Description
Example:
netstat -a
Displays all connections and listening ports
Netstat-n
Displays addresses and port numbers in numeric form
Interval
Redisplays statistics every 5 second. Press Ctrl-C to stop redisplaying statistics.
Netstat-p
Shows connections for the TCP protocol
Netstat-o
Displays fully qualified domain names for foreign addresses.
Netstat-r
Displays the routing table.
Part II: NetStat Routing Table
Screenshot #1:
Question #1: What does this table show you? This table displays the content of the different IP
routing tables.
Part III: NetStat Output
Screenshot #2:
Questions:
1. How many active opens were recorded?
The active connections recorded where 14,110.
2. How many failed connection attempts were recorded?
The failed connections that were displayed were 1,610.
3. How many segments were received?
The number of segments received were 479,881.
4. How many segments were sent?
The number of segments that were sent is 325,428.
5. How many segments were retransmitted?
The number of segments that were retransmitted is 0.
Part IV: IPCONFIG
Screenshot #3:
Questions:
1. What is your IPv4 address?
The IPv4 address is 192.168.0.11.
2. What is your subnet mask?
The subnet mask is 255.255.255.0
3. What is your default gateway address?
The default gateway address is fe80:226:86ff:feae:a08e%17 192.168.0.1.
Part V: PING
Screenshot #4:
Questions:
1. Were you able to ping this address?
Yes, I was able to ping this address.
2. How do you know?
The reason as to why the ping was successful is because upon a successful ping, it displays the
number of times the computer pinged the device. If it were not successful it would not have
displayed the ping and said it was unsuccessful.
3. How many packets were sent?
The number of packets sent were 4.
4. How many packets were received?
The number of packets received were 4.
5. How many packets were lost?
The number of packets that were lost is 0.
Part VI: TRACERT
Screenshot #5:
Questions:
1. Was the trace successful?
The trace was successful.
2. If the trace was successful, how many hops were performed to reach the destination?
The amount of hops that were performed was 1.
